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Analysis of a Blade Cleaning System for Reduction in Wear Rate Variation of the Photoreceptor

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A rubber blade cleaning system is widely used in electrophotography process to remove residual toner particles on the photoreceptor surface. In the cleaning process, wear of the photoreceptor is observed by mechanical friction with a rubber cleaning blade. On the other hand, the photoreceptor surface is refreshed by the wear and this prevents image degradation when an aged photoreceptor is used. To obtain both longer life of the photoreceptor and higher image quality, it is important not only to reduce the wear rate of the photoreceptor but also to reduce the variation in the wear rate depending on image forming conditions. In this study, the wear mechanism was investigated from the points of behaviors of a rubber blade, toner particles and additives near cleaning nip. Numerical simulation using FEM (Finite Element Method) structural analysis and DEM (Distinct Element Method) particle motion calculation were used to understand these behaviors. It was clarified that the wear of the photoreceptor mainly was caused by deposited additives released from toner surfaces and that the fluidization of toner particles affects the deposited mass of additives strongly. Based on the results, a remarkable reduction in wear variation was achieved by optimization of cleaning parameters.
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Document Type: Research Article

Publication date: 2010-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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